CN112482026A - Preparation method of high-conductivity multifunctional fiber membrane - Google Patents

Abstract

The invention provides a preparation method of a high-conductivity multifunctional fiber membrane, which comprises the steps of adding zinc acetate into a mixed solution of absolute ethyl alcohol and water, uniformly stirring for later use, and naming the solution A as a solution A; adding Polyacrylonitrile (PAN) and polyvinyl alcohol (PVA) into a dimethyl formamide (DMF) solution, and uniformly stirring to prepare a spinning solution with the content of 9 percent, namely a solution B; adding the solution A into the solution B, stirring to obtain a uniform spinning solution, carrying out electrostatic spinning to obtain a composite nanofiber membrane, and calcining at a high temperature to obtain ZnO nanofibers, wherein the high-conductivity multifunctional fiber membrane can be used in multiple fields of self-cleaning, ultraviolet resistance, antibiosis and the like.

Description

Preparation method of high-conductivity multifunctional fiber membrane

Technical Field

The invention relates to the field of multifunctional fiber membranes, in particular to a preparation method of a multifunctional fiber membrane with high conductivity.

Background

Along with the spread of global epidemic and the improvement of protection consciousness of people. The requirements for the comprehensive performance of the fiber membrane are higher and higher. The composite film fabric with self-cleaning functions of water repellency, oil resistance, easy decontamination, disinfection and the like has attracted attention and research of people.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a method for preparing a highly conductive multifunctional fiber film that is effective in antibacterial and self-cleaning.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the preparation method of the high-conductivity multifunctional fiber membrane comprises the following steps:

a. adding zinc acetate into a mixed solution of absolute ethyl alcohol and water, and uniformly stirring for later use, wherein the mixed solution is named as solution A;

b. polyacrylonitrile PAN and PVA were mixed at a ratio of 2:8 to 8: 2 is added into the DMF solution in proportion and is stirred evenly to prepare spinning solution with the content of 9 percent, which is named as B solution;

c. adding the solution A into the solution B, stirring for 5-7h to obtain uniform spinning solution, performing electrostatic spinning to obtain a composite nanofiber membrane, and calcining at high temperature to obtain ZnO nanofibers for 1-100 min;

d. soaking the ZnO nanofiber in a copper acetate (1-5 wt.%) solution, reacting at 70 ℃ for 30min, then continuing to react at 100 ℃ for 30min, and washing and drying after the reaction is finished.

Preferably, the adding amount of the zinc acetate in the step a is 30-60% of the mass of the polymer.

The invention has the advantages that:

the high-conductivity multifunctional fiber membrane can be used in the fields of self-cleaning, ultraviolet resistance, antibiosis and the like.

Detailed Description

The invention is further illustrated by the following examples:

in this embodiment, the preparation method of the degradable flexible antibacterial air purification fiber membrane comprises the following steps:

the preparation method of the high-conductivity multifunctional fiber membrane comprises the following steps:

a. adding zinc acetate into a mixed solution of absolute ethyl alcohol and water, and uniformly stirring for later use, wherein the mixed solution is named as solution A;

b. polyacrylonitrile PAN and PVA were mixed at a ratio of 2:8 to 8: 2 is added into the DMF solution in proportion and is stirred evenly to prepare spinning solution with the content of 9 percent, which is named as B solution;

c. adding the solution A into the solution B, stirring for 5-7h to obtain uniform spinning solution, performing electrostatic spinning to obtain a composite nanofiber membrane, and calcining at high temperature to obtain ZnO nanofibers for 1-100 min;

d. soaking the ZnO nanofiber in a copper acetate (1-5 wt.%) solution, reacting at 70 ℃ for 30min, then continuing to react at 100 ℃ for 30min, and washing and drying after the reaction is finished.

and the adding amount of the zinc acetate in the step a is 30-60% of the mass of the polymer.

The invention is not to be considered as limited to the particular embodiments shown, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (2)

1. The preparation method of the high-conductivity multifunctional fiber membrane comprises the following steps:

a. adding zinc acetate into a mixed solution of absolute ethyl alcohol and water, and uniformly stirring for later use, wherein the mixed solution is named as solution A;

b. polyacrylonitrile PAN and PVA were mixed at a ratio of 2:8 to 8: 2 is added into the DMF solution in proportion and is stirred evenly to prepare spinning solution with the content of 9 percent, which is named as B solution;

c. adding the solution A into the solution B, stirring for 5-7h to obtain uniform spinning solution, performing electrostatic spinning to obtain a composite nanofiber membrane, and calcining at high temperature to obtain ZnO nanofibers for 1-100 min;

d. soaking the ZnO nanofiber in a copper acetate (1-5 wt.%) solution, reacting at 70 ℃ for 30min, then continuing to react at 100 ℃ for 30min, and washing and drying after the reaction is finished.

2. The method for preparing a highly conductive multifunctional fiber membrane as claimed in claim 1, wherein the amount of zinc acetate added in step a is 30-60% of the polymer.